John William Gott (1866–1922): English trouser salesman and leader of the Freethought Socialist League, the last person in Britain to be sent to prison for blasphemy.[18]

Erkki Hartikainen (1942–): is a Finnish atheist activist. He is the chairman of the Atheist Association of Finland (Suomen Ateistiyhdistys) and former chairman of the Union of Freethinkers of Finland (Vapaa-ajattelijoiden liitto), the biggest atheistic association in Finland.[19]

Austin Holyoake (1826–1874): English freethought printer and publisher, vice-president and first treasurer of the National Secular Society.[20]

Charles Lee Smith (1887–1964): an atheist activist in the United States and an editor of the Truth Seeker until his death. He also founded the American Association for the Advancement of Atheism. Smith was arrested twice in 1928 for selling atheist literature and for blasphemy. Since he refused to swear an oath to God on the Bible, he was not allowed to testify in his own defense.[40]

Barbara Smoker (1923–): British humanist activist and freethought advocate. Wrote the book Freethoughts: Atheism, Secularism, Humanism – Selected Egotistically from The Freethinker.[41]